From patchwork Tue Aug 16 10:26:14 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 659629 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3sD81f5VGNz9t1P for ; Tue, 16 Aug 2016 20:37:10 +1000 (AEST) Received: from localhost ([::1]:41227 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bZbk4-0001tf-OJ for incoming@patchwork.ozlabs.org; Tue, 16 Aug 2016 06:37:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43042) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bZbZs-0000v7-Nw for qemu-devel@nongnu.org; Tue, 16 Aug 2016 06:26:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bZbZo-0006LG-Sl for qemu-devel@nongnu.org; Tue, 16 Aug 2016 06:26:36 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:14314 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bZbZh-0006Gd-Ik; Tue, 16 Aug 2016 06:26:25 -0400 Received: from kvm.qa.sw.ru. ([10.28.8.145]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id u7G2W6Zg021884; Tue, 16 Aug 2016 05:32:09 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org, qemu-block@nongnu.org Date: Tue, 16 Aug 2016 13:26:14 +0300 Message-Id: <1471343175-14945-18-git-send-email-vsementsov@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1471343175-14945-1-git-send-email-vsementsov@virtuozzo.com> References: <1471343175-14945-1-git-send-email-vsementsov@virtuozzo.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Subject: [Qemu-devel] [PATCH 17/18] iotests: add dirty bitmap migration test 169 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, peter.maydell@linaro.org, vsementsov@virtuozzo.com, famz@redhat.com, lirans@il.ibm.com, quintela@redhat.com, jsnow@redhat.com, armbru@redhat.com, mreitz@redhat.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com, dgilbert@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The test starts two vms (vm_a, vm_b), create dirty bitmap in the first one, do several writes to corresponding device and then migrate vm_a to vm_b with dirty bitmaps. Signed-off-by: Vladimir Sementsov-Ogievskiy --- tests/qemu-iotests/169 | 84 ++++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/169.out | 5 +++ tests/qemu-iotests/group | 1 + 3 files changed, 90 insertions(+) create mode 100755 tests/qemu-iotests/169 create mode 100644 tests/qemu-iotests/169.out diff --git a/tests/qemu-iotests/169 b/tests/qemu-iotests/169 new file mode 100755 index 0000000..d40be1d --- /dev/null +++ b/tests/qemu-iotests/169 @@ -0,0 +1,84 @@ +#!/usr/bin/env python +# +# Tests for dirty bitmaps migration. +# +# (C) Vladimir Sementsov-Ogievskiy 2015 +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . +# + +import os +import iotests +import time +from iotests import qemu_img + +disk_a = os.path.join(iotests.test_dir, 'disk_a') +disk_b = os.path.join(iotests.test_dir, 'disk_b') +fifo = os.path.join(iotests.test_dir, 'mig_fifo') + +class TestDirtyBitmapMigration(iotests.QMPTestCase): + + def setUp(self): + size = 0x400000000 # 1G + os.mkfifo(fifo) + qemu_img('create', '-f', iotests.imgfmt, disk_a, str(size)) + qemu_img('create', '-f', iotests.imgfmt, disk_b, str(size)) + self.vm_a = iotests.VM().add_drive(disk_a) + self.vm_b = iotests.VM().add_drive(disk_b) + self.vm_b.add_incoming_migration("exec: cat " + fifo) + self.vm_a.launch() + self.vm_b.launch() + + def tearDown(self): + self.vm_a.shutdown() + self.vm_b.shutdown() + os.remove(disk_a) + os.remove(disk_b) + os.remove(fifo) + + def test_migration(self): + granularity = 512 + regions = [ + { 'start': 0, 'count': 0x100000 }, + { 'start': 0x100000000, 'count': 0x200000 }, + { 'start': 0x399900000, 'count': 0x100000 } + ] + + result = self.vm_a.qmp('block-dirty-bitmap-add', node='drive0', + name='bitmap', granularity=granularity) + self.assert_qmp(result, 'return', {}); + + for r in regions: + self.vm_a.hmp_qemu_io('drive0', + 'write %d %d' % (r['start'], r['count'])) + + result = self.vm_a.qmp('query-block'); + md5 = result['return'][0]['dirty-bitmaps'][0]['md5'] + + result = self.vm_a.qmp('migrate-set-capabilities', + capabilities=[{'capability': 'dirty-bitmaps', + 'state': True}]) + self.assert_qmp(result, 'return', {}) + + result = self.vm_a.qmp('migrate', uri='exec:cat>' + fifo) + self.assertNotEqual(self.vm_a.event_wait("STOP"), None) + self.assertNotEqual(self.vm_b.event_wait("RESUME"), None) + time.sleep(2) + + result = self.vm_b.qmp('query-block'); + self.assert_qmp(result, 'return[0]/dirty-bitmaps[0]/md5', md5); + + +if __name__ == '__main__': + iotests.main() diff --git a/tests/qemu-iotests/169.out b/tests/qemu-iotests/169.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/169.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 3a3973e..a939718 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -157,3 +157,4 @@ 155 rw auto 156 rw auto quick 157 auto +169 rw auto quick